Property Assessment Data from Local Assessment Rolls

Together, the assessment rolls provide the details of the more than 4.7 million parcels in New York State. The dataset includes assessment rolls for all cities and towns, except New York City.

(For New York City assessment roll data, see NYC Open Data [opendata.cityofnewyork.us]) For each property, the dataset includes assessed value, full market value, property size, owners, exemption information, and other fields. Tip: For a unique identifier for every property in New York State, combine the SWIS code and print key fields.